Home / 108,274.46-162,420.76-28,312.28

Finding the Fourth Proportional to 108,274.46, 162,420.76 and 28,312.28

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Solution

The fourth proportional to 108,274.46, 162,420.76 and 28,312.28 is: 42,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,274.46 : 162,420.76 = 28,312.28 : x
  2. Step 2: Convert to fraction form
    108,274.46/162,420.76 = 28,312.28/x
  3. Step 3: Cross multiply
    108,274.46x = 162,420.76 × 28,312.28
  4. Step 4: Simplify right side
    108,274.46x = 4,598,502,034.93
  5. Step 5: Solve for x
    x = 4,598,502,034.93/108,274.46
  6. Step 6: Final answer
    x = 42,470.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.